QuickBooks Online Setup for a Startup

I’m launching a service-based IT company and want QuickBooks Online ready before our first invoice goes out. The account is brand-new, so everything— from the chart of accounts to user permissions— needs to be put in place... (Budget: $250 - $750 USD, Jobs: Accounting, Automation, Bank Reconciliation, Bookkeeping, Financial Analysis, Financial Consulting, Intuit QuickBooks, Invoicing, PHP, Tax Compliance)